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We seek a skilled professional to provide comprehensive 24/7 Level 2 and Level 3 network operational support and support project execution (hardware refreshes, software upgrades) for a global financial institution. This hybrid role combines operational support with production network engineering, requiring expertise in NETCONF/YANG, network virtualization, core IP engineering, and network security principles. Candidates must have competencies in Cisco and non-Cisco technologies and a solid understanding of agnostic principles underpinning all OEM technologies. The role demands leadership in incident management, knowledge sharing, and the ability to work flexible shifts.
Job Responsibility:
Deliver 24×7 operational support for global networking, firewall & load balancing technologies
Maintain and troubleshoot network equipment including routers, switches, firewalls, load balancers, and related infrastructure
Perform fault and performance management
Identify, diagnose, and resolve complex network issues, including hardware faults and logical problems
Collect diagnostic data, document incidents, and track progress per SLA compliance
Manage escalations, isolate incidents, and apply workarounds
Collaborate with vendors and service providers for device and service restoration
Coordinate and implement break-fix activities and planned changes, patching, and maintenance in line with change management processes
Assess and amend existing network devices in a controlled manner
Make key decisions on fault or change impacts on users and infrastructure
Ensure all tasks are professionally documented and adhere to company processes
Liaise with other technology teams, business units, and third-party vendors
Engage in proactive tasks such as delivering new projects and maintaining standards
Lead design, build, and operation of network products across all OSI layers (1-7), including physical and virtual infrastructure
Utilize expertise in Layer 1-4 protocols (e.g., Ethernet, VXLAN, TCP/IP, BGP, OSPF, IS-IS), access transport technologies (e.g., PON, xDSL, DOCSIS), wireless standards (Wi-Fi, LTE, 5G), and overlay IP/VPN technologies
Work with virtual infrastructure ecosystems (OpenStack, Kubernetes, QEMU, KVM, HCI) and open networking technologies (FRR, Bird, GoBGP, SONiC, Cumulus)
Apply strong network programming and automation skills using RESTCONF, NETCONF/YANG, Python, Ansible, Saltstack, Terraform, and CI/CD pipelines
Manage network product lifecycle including requirements analysis, platform selection, architecture design, service development, testing, and deployment at scale
Implement network access control (NAC), RADIUS-based AAA, and zero trust networking concepts
Support secure and automated access for corporate and guest users
Participate in risk and control activities ensuring compliance with regulatory requirements and internal policies
Gather requirements from product managers, service managers, product engineers, and solution delivery teams
Collaborate with Infrastructure Services teams to provide sustainable enterprise-scale solutions
Engage end-users and key stakeholders for feedback and requirements validation
Provide SME consultancy on technical and domain matters
Manage communications and updates to business and technology stakeholders
Maintain relationships with external vendors, contributing to contract renewals and license management
Requirements:
Experience in network operational support and production network engineering within large institutions or banks
Proven ability to diagnose and resolve complex network-related issues
Strong stakeholder management and ability to work effectively under pressure
Solid understanding of LAN/WAN technologies and protocols (Cisco ACI, IOS, NX-OS, SD-WAN, BGP, OSPF)
Good knowledge of multi-vendor firewall platforms (Fortigate, Cisco ASA, Cisco Tetration)
Experience with remote access technologies (Cisco AnyConnect, Zscaler, Aruba)
Proficiency in DNS/DHCP (Infoblox), load balancing platforms (F5, VMWare), and proxy products (Zscaler)
Strong TCP/IP and SSL troubleshooting skills (packet analysis tools like tcpdump, Wireshark)
Deep understanding of network virtualization, cloud, and automation concepts
Expertise in network programming/automation and configuration management tools (Python, Ansible, Saltstack, Terraform)
Familiarity with virtual infrastructure and open networking technologies
Knowledge of network access control and zero trust networking principles
Ability to lead and work in 24/7 shift patterns including weekends
Nice to have:
Relevant certifications (CCNP, CCIE or equivalent)
Experience with scripting and automation languages
Hands-on experience with MPLS, multicast, QoS, wireless technologies
Expertise in network product lifecycle management and agile methodologies
Experience with DevOps, CI/CD pipelines, and infrastructure as code (IaC)
Knowledge of network instrumentation and software-defined networking (SDN) controllers
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